[gnome-builder] egg: fix documentation typo

[Christian Hergert <chergert src gnome org>]

commit a8af461ba2686931cfd646bb2002a03e2f0acecc
Author: Christian Hergert <chergert redhat com>
Date:   Sat Sep 10 09:30:45 2016 -0700

    egg: fix documentation typo

 contrib/egg/egg-counter.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/contrib/egg/egg-counter.h b/contrib/egg/egg-counter.h
index 412d3b9..6a74fdd 100644
--- a/contrib/egg/egg-counter.h
+++ b/contrib/egg/egg-counter.h
@@ -55,7 +55,7 @@
  * To increment the counter in a function of your choice (but within the
  * same module), use EGG_COUNTER_ADD, EGG_COUNTER_INC, EGG_COUNTER_DEC.
  *
- *   EGG_COUNTER_ADD (Symbol);
+ *   EGG_COUNTER_INC (Symbol);
  *
  *
  * Architecture Support